Professor Graham Thornicroft is a consultant psychiatrist at the South London and the Maudsley NHS Foundation Trust (SLaM)and professor of Community Psychiatry at the Institute of Psychiatry, Psychology & Neuroscience (IoPPN), Kings College. He is also a published author and received a knighthood in the 2017 Queen's Birthday Honours for his services to mental health.
Graham discusses topics in his most well-known book 'Shunned: Discrimination Against People with Mental Illness', which explores stigma, specifically changes in attitudes and the law in recent years that have helped to address this issue. He also brings to light areas where progress must still be made in order to end discrimination once and for all.
You can find some of Grahams latest research papers here: https://goo.gl/xnSBLv